Home / 247,382,694.87-370,751,241.09-138,203,455.83

Finding the Fourth Proportional to 247,382,694.87, 370,751,241.09 and 138,203,455.83

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Solution

The fourth proportional to 247,382,694.87, 370,751,241.09 and 138,203,455.83 is: 207,124,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,382,694.87 : 370,751,241.09 = 138,203,455.83 : x
  2. Step 2: Convert to fraction form
    247,382,694.87/370,751,241.09 = 138,203,455.83/x
  3. Step 3: Cross multiply
    247,382,694.87x = 370,751,241.09 × 138,203,455.83
  4. Step 4: Simplify right side
    247,382,694.87x = 51,239,102,771,899,496
  5. Step 5: Solve for x
    x = 51,239,102,771,899,496/247,382,694.87
  6. Step 6: Final answer
    x = 207,124,846.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.